awesome: no gap and border on maximized windows

awesome/.config/awesome/rc.lua

@@ -484,7 +484,8 @@ awful.rules.rules = {
       keys = clientkeys,
       buttons = clientbuttons,
       screen = awful.screen.preferred,
-      placement = awful.placement.no_overlap + awful.placement.no_offscreen
+      placement = awful.placement.no_overlap + awful.placement.no_offscreen,
+      size_hints_honor = false,
     }
   },
 
@@ -536,6 +537,19 @@ awful.rules.rules = {
 -- }}}
 
 -- {{{ Signals
+
+local function set_border_width(c)
+    local t = awful.screen.focused().selected_tag
+    if #t:clients() == 1 or t.layout.name == 'max' then
+	c = c or client.focus
+        c.border_width = 0
+    else
+        for _, cl in ipairs(t:clients()) do
+            cl.border_width = beautiful.border_width
+        end
+    end
+end
+
 -- Signal function to execute when a new client appears.
 client.connect_signal("manage", function(c)
   -- Set the windows at the slave,
@@ -548,6 +562,7 @@ client.connect_signal("manage", function(c)
     -- Prevent clients from being unreachable after screen count changes.
     awful.placement.no_offscreen(c)
   end
+  set_border_width(c)
 end)
 
 -- Enable sloppy focus, so that focus follows mouse.
@@ -555,6 +570,23 @@ client.connect_signal("mouse::enter", function(c)
   c:emit_signal("request::activate", "mouse_enter", { raise = false })
 end)
 
-client.connect_signal("focus", function(c) c.border_color = beautiful.border_focus end)
+-- local function set_border(c)
-client.connect_signal("unfocus", function(c) c.border_color = beautiful.border_normal end)
+    -- local s = awful.screen.focused()
+    -- if c.maximized
+        -- or (#s.tiled_clients == 1 and not c.floating)
+        -- or (s.selected_tag and s.selected_tag.layout.name == 'max')
+    -- then
+        -- c.border_width = 0
+    -- else
+        -- c.border_width = beautiful.border_width
+    -- end
+-- end
+
+client.connect_signal("focus", function(c)
+	c.border_color = beautiful.border_focus
+	set_border_width(c)
+end)
+client.connect_signal("unfocus", function(c) c.border_color = beautiful.border_normal; end)
+tag.connect_signal("property::layout", function() set_border_width(nil) end)
+
 -- }}}

awesome/.config/awesome/theme_dark.lua

@@ -22,6 +22,7 @@ theme.fg_urgent                = theme.bg_focus
 theme.fg_minimize              = theme.fg_normal
 theme.taglist_fg_empty         = "#454f54" -- hsl(200 10% 30%)
 
+theme.gap_single_client        = false
 theme.useless_gap              = dpi(1)
 theme.border_width             = dpi(2)
 theme.border_normal            = "#73848c" -- hsl(200 10% 50%)

awesome/.config/awesome/theme_light.lua

@@ -22,6 +22,7 @@ theme.fg_urgent                = "#70675c" -- hsl(34 10% 40%)
 theme.fg_minimize              = "#70675c" -- hsl(34 10% 40%)
 theme.taglist_fg_empty         = theme.fg_minimize
 
+theme.gap_single_client        = false
 theme.useless_gap              = dpi(1)
 theme.border_width             = dpi(2)
 theme.border_normal            = theme.bg_minimize